Home / 2,775.30-4,163.13-1,043.70

Finding the Fourth Proportional to 2,775.30, 4,163.13 and 1,043.70

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Solution

The fourth proportional to 2,775.30, 4,163.13 and 1,043.70 is: 1,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.30 : 4,163.13 = 1,043.70 : x
  2. Step 2: Convert to fraction form
    2,775.30/4,163.13 = 1,043.70/x
  3. Step 3: Cross multiply
    2,775.30x = 4,163.13 × 1,043.70
  4. Step 4: Simplify right side
    2,775.30x = 4,345,058.78
  5. Step 5: Solve for x
    x = 4,345,058.78/2,775.30
  6. Step 6: Final answer
    x = 1,565.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.